ATI LPN
ATI PN Comprehensive Predictor 2024
1. What are the signs and symptoms of hyperkalemia and how should it be managed?
- A. Muscle weakness and cardiac arrhythmias; administer calcium gluconate
- B. Confusion and bradycardia; administer insulin and glucose
- C. Fatigue and irregular heart rate; administer diuretics
- D. Nausea and vomiting; administer sodium bicarbonate
Correct answer: A
Rationale: The signs and symptoms of hyperkalemia include muscle weakness and cardiac arrhythmias, making choice A correct. Hyperkalemia can lead to dangerous cardiac effects, and calcium gluconate is used to stabilize the heart by antagonizing the effects of potassium. Choices B, C, and D describe symptoms and interventions that are not typically associated with hyperkalemia. Confusion and bradycardia are not common in hyperkalemia, and insulin and glucose are used in hyperkalemia only under specific circumstances. Fatigue and irregular heart rate are vague symptoms, and diuretics are not the primary treatment for hyperkalemia. Nausea and vomiting are nonspecific symptoms and sodium bicarbonate is not indicated for the management of hyperkalemia.
2. What is the main body storage form of carbohydrates?
- A. Glycogen.
- B. Starch.
- C. Fat.
- D. Glucose.
Correct answer: A
Rationale: The correct answer is A: Glycogen. Glycogen is the stored form of carbohydrates in the body, primarily found in the liver and muscles. Starch (choice B) is a carbohydrate storage molecule in plants, not in the human body. Fat (choice C) is a different macronutrient and not the main storage form of carbohydrates. Glucose (choice D) is a simple sugar that serves as an energy source, not the main storage form of carbohydrates.
3. A 45-year-old woman presents with fatigue, weight gain, and constipation. Laboratory tests reveal high TSH and low free T4 levels. What is the most likely diagnosis?
- A. Hypothyroidism
- B. Hyperthyroidism
- C. Thyroiditis
- D. Thyroid cancer
Correct answer: A
Rationale: The combination of high TSH and low free T4 levels is consistent with hypothyroidism, which matches the patient's symptoms of fatigue, weight gain, and constipation. In hypothyroidism, the thyroid gland does not produce enough thyroid hormones, leading to a decrease in metabolic rate and resulting in these clinical findings.
4. A client with diabetes mellitus is receiving education on foot care. Which of the following instructions should the nurse include?
- A. Apply lotion between the toes.
- B. Cut toenails straight across.
- C. Use a heating pad to warm the feet.
- D. Soak feet in warm water daily.
Correct answer: B
Rationale: The correct answer is B: Cut toenails straight across. This instruction is vital for clients with diabetes as it helps prevent ingrown toenails and infections, reducing the risk of foot ulcers. Applying lotion between the toes (choice A) should be avoided as it can create a moist environment prone to fungal infections. Using a heating pad (choice C) can lead to burns or injuries due to reduced sensation common in diabetes. Soaking feet in warm water daily (choice D) can also increase the risk of skin breakdown and should be avoided.
5. Non-pharmacological techniques can help lower blood pressure. Which of the following is not considered one of these types of techniques?
- A. Dietary changes
- B. Multivitamins
- C. Smoking cessation
- D. Limiting caffeine
Correct answer: B
Rationale: Multivitamins are not typically considered a non-pharmacological technique for lowering blood pressure. While dietary changes, smoking cessation, and limiting caffeine intake can positively impact blood pressure levels, multivitamins are generally not specifically recommended as a primary intervention for this purpose. Dietary changes can include reducing salt intake and increasing potassium-rich foods, which are known to help manage blood pressure. Smoking cessation is crucial due to the negative impact of smoking on blood pressure and overall cardiovascular health. Limiting caffeine intake is advised as excessive caffeine consumption can lead to a temporary increase in blood pressure. Therefore, focusing on lifestyle modifications like healthy eating, smoking cessation, and caffeine reduction is more effective in managing blood pressure than relying on multivitamins.
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